Grasping gravity
http://www.guardian.co.uk/space/article/0,14493,1635010,00.html
Alok Jha, science correspondent
Saturday November 5, 2005
The Guardian
Scientists believe they are on the verge of measuring gravitational
waves, one of the most elusive phenomena in the universe, for the first
time.
Albert Einstein predicted the existence of these waves as part of his
general theory of relativity. He argued that when a mass accelerates,
it causes the fabric of spacetime around it to stretch and squeeze. The
waves have remained elusive to scientists for a simple reason: gravity
is such a weak force that it produces extremely tiny waves, and no
instrument has usually been sensitive enough to detect them.
gravity OR gravitational OR graviton OR gravitons
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